10 OZ. BIO-CHEM ZORB 6

Cleans and clears aquarium water removing aquarium pollutants, including colors, odors, and toxic compounds which cloud water and degrade water quality. Contains a unique superior resin-carbon blend that removes compounds 3x more effectively than carbon alone. Easy-to-use pre-dosed pouch fits most canister filters on the market for freshwater, saltwater and reef aquariums. Use when starting or maintaining an aquarium, replace every 2 months or sooner if aquarium is heavily stock and/or colors and odors are detected